Nitrogen is an essential element for flower growth. Application of nitrogen fertilizer can promote the growth of branches and leaves, but different fertilization management methods are adopted for different flowers.
For flowers that are dormant in winter, the application of large amounts of nitrogen fertilizer in autumn will induce the occurrence of autumn shoots. The occurrence of autumn shoots will not only consume the nutrients stored in the flower body, but also the flowering and flowering of the spring flowers will be affected in the second year, and the flower dormancy time will be postponed after the autumn shoots, and the freezing damage will occur when the temperature is low. Applying phosphorus and potassium fertilizer to flowers that are dormant in winter, phosphorus and potassium fertilizer can promote the accumulation of nutrients in flowers, laying a foundation for growth and flowering in the second year.
However, it is not possible to apply nitrogen fertilizer in autumn, and nitrogen fertilizer can still be applied to flowers that do not sleep in winter. In particular, foliage plants should still be applied with fertilizers based on nitrogen fertilizer. However, when applying nitrogen fertilizer, attention should be paid to the combination with phosphorus and potassium fertilizer. Reasonable application of phosphorus and potassium fertilizer can improve the cold resistance of flowers:
Plants that bloom in winter, such as cineraria, pudding, cyclamen, poinsettia, and plum, are vegetative growth seasons in early autumn. Fertilizers based on nitrogen should be applied. During the late autumn, most of them are during buds. Phosphorus and potassium fertilizers are the mainstays, supplemented by nitrogen fertilizers, and excessive nitrogen fertilizer is not conducive to flowering in winter.
For flowers that are dormant in winter, the application of large amounts of nitrogen fertilizer in autumn will induce the occurrence of autumn shoots. The occurrence of autumn shoots will not only consume the nutrients stored in the flower body, but also the flowering and flowering of the spring flowers will be affected in the second year, and the flower dormancy time will be postponed after the autumn shoots, and the freezing damage will occur when the temperature is low. Applying phosphorus and potassium fertilizer to flowers that are dormant in winter, phosphorus and potassium fertilizer can promote the accumulation of nutrients in flowers, laying a foundation for growth and flowering in the second year.
However, it is not possible to apply nitrogen fertilizer in autumn, and nitrogen fertilizer can still be applied to flowers that do not sleep in winter. In particular, foliage plants should still be applied with fertilizers based on nitrogen fertilizer. However, when applying nitrogen fertilizer, attention should be paid to the combination with phosphorus and potassium fertilizer. Reasonable application of phosphorus and potassium fertilizer can improve the cold resistance of flowers:
Plants that bloom in winter, such as cineraria, pudding, cyclamen, poinsettia, and plum, are vegetative growth seasons in early autumn. Fertilizers based on nitrogen should be applied. During the late autumn, most of them are during buds. Phosphorus and potassium fertilizers are the mainstays, supplemented by nitrogen fertilizers, and excessive nitrogen fertilizer is not conducive to flowering in winter.
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